<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div id="app">
        <p v-for="item in timearr">
           {{item | strlen}}
        </p>
    </div>
    <script src="./js/vue.js"></script>
    <script>
        var app = new Vue({
            el: "#app",
            data: {
                timearr: ['1579657789851', '1563516693000', '1578539380000']
            },
            filters: {
                strlen: function (value) {
                    return new Date(parseInt(value)).toLocaleString().replace(/:\d{1,2}$/, ' ');
                }
            }
        })
    </script>
</body>

</html>